Canister vacuum



FIG. 1 is a perspective view of a canister vacuum showing our new design;

FIG. 2 is a left-side perspective view thereof;

FIG. 3 is a right-side perspective view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right-side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a front perspective view thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a canister vacuum, as shown and described. 